2-Aminomethyl-2,3-dihydro-4H-pyran ,its cas register number is 4781-76-4. It also can be called 2H-Pyran-2-methanamine, 3,4-dihydro- ; 4H-Pyran, 2-aminomethyl-2,3-dihydro- ; and 3,4-Dihydro-2h-pyran-2-methylamine .